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Mathematics 13 Online
OpenStudy (hannahc234):

Will fan and medal for those who check my work!!! What is the sum or difference? 4x^10-9x^10 A. -5x^10 <---- B. -5x^20 C. -36x^10 D. -36x^20 What is the sum or difference? 3y^5-10y^5 A. -7y^5 <---- B. -30y^5 C. -30y^10 D. -7y^10

hartnn (hartnn):

both are correct! good :)

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